cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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malidp_io.h (1027B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
      4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
      5 *
      6 */
      7#ifndef _MALIDP_IO_H_
      8#define _MALIDP_IO_H_
      9
     10#include <linux/io.h>
     11
     12static inline u32
     13malidp_read32(u32 __iomem *base, u32 offset)
     14{
     15	return readl((base + (offset >> 2)));
     16}
     17
     18static inline void
     19malidp_write32(u32 __iomem *base, u32 offset, u32 v)
     20{
     21	writel(v, (base + (offset >> 2)));
     22}
     23
     24static inline void
     25malidp_write64(u32 __iomem *base, u32 offset, u64 v)
     26{
     27	writel(lower_32_bits(v), (base + (offset >> 2)));
     28	writel(upper_32_bits(v), (base + (offset >> 2) + 1));
     29}
     30
     31static inline void
     32malidp_write32_mask(u32 __iomem *base, u32 offset, u32 m, u32 v)
     33{
     34	u32 tmp = malidp_read32(base, offset);
     35
     36	tmp &= (~m);
     37	malidp_write32(base, offset, v | tmp);
     38}
     39
     40static inline void
     41malidp_write_group(u32 __iomem *base, u32 offset, int num, const u32 *values)
     42{
     43	int i;
     44
     45	for (i = 0; i < num; i++)
     46		malidp_write32(base, offset + i * 4, values[i]);
     47}
     48
     49#endif /*_MALIDP_IO_H_*/